Reorganizing the code

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

src/api/api_stats.cpp

@@ -0,0 +1,133 @@
+/*++
+Copyright (c) 2012 Microsoft Corporation
+
+Module Name:
+
+    api_stats.cpp
+
+Abstract:
+    API for browsing statistics
+
+Author:
+
+    Leonardo de Moura (leonardo) 2012-03-07.
+
+Revision History:
+
+--*/
+#include<iostream>
+#include"z3.h"
+#include"api_log_macros.h"
+#include"api_context.h"
+#include"api_stats.h"
+
+extern "C" {
+
+    Z3_string Z3_API Z3_stats_to_string(Z3_context c, Z3_stats s) {
+        Z3_TRY;
+        LOG_Z3_stats_to_string(c, s);
+        RESET_ERROR_CODE();
+        std::ostringstream buffer;
+        to_stats_ref(s).display_smt2(buffer);
+        std::string result = buffer.str();
+        // Hack for removing the trailing '\n'
+        result = buffer.str();
+        SASSERT(result.size() > 0);
+        result.resize(result.size()-1);
+        return mk_c(c)->mk_external_string(result);
+        Z3_CATCH_RETURN("");
+    }
+
+    void Z3_API Z3_stats_inc_ref(Z3_context c, Z3_stats s) {
+        Z3_TRY;
+        LOG_Z3_stats_inc_ref(c, s);
+        RESET_ERROR_CODE();
+        to_stats(s)->inc_ref();
+        Z3_CATCH;
+    }
+
+    void Z3_API Z3_stats_dec_ref(Z3_context c, Z3_stats s) {
+        Z3_TRY;
+        LOG_Z3_stats_dec_ref(c, s);
+        RESET_ERROR_CODE();
+        to_stats(s)->dec_ref();
+        Z3_CATCH;
+    }
+    
+    unsigned Z3_API Z3_stats_size(Z3_context c, Z3_stats s) {
+        Z3_TRY;
+        LOG_Z3_stats_size(c, s);
+        RESET_ERROR_CODE();
+        return to_stats_ref(s).size();
+        Z3_CATCH_RETURN(0);
+    }
+
+    Z3_string Z3_API Z3_stats_get_key(Z3_context c, Z3_stats s, unsigned idx) {
+        Z3_TRY;
+        LOG_Z3_stats_get_key(c, s, idx);
+        RESET_ERROR_CODE();
+        if (idx >= to_stats_ref(s).size()) {
+            SET_ERROR_CODE(Z3_IOB);
+            return "";
+        }
+        return to_stats_ref(s).get_key(idx);
+        Z3_CATCH_RETURN("");
+    }
+
+    Z3_bool Z3_API Z3_stats_is_uint(Z3_context c, Z3_stats s, unsigned idx) {
+        Z3_TRY;
+        LOG_Z3_stats_is_uint(c, s, idx);
+        RESET_ERROR_CODE();
+        if (idx >= to_stats_ref(s).size()) {
+            SET_ERROR_CODE(Z3_IOB);
+            return Z3_FALSE;
+        }
+        return to_stats_ref(s).is_uint(idx);
+        Z3_CATCH_RETURN(0);
+    }
+
+    Z3_bool Z3_API Z3_stats_is_double(Z3_context c, Z3_stats s, unsigned idx) {
+        Z3_TRY;
+        LOG_Z3_stats_is_double(c, s, idx);
+        RESET_ERROR_CODE();
+        if (idx >= to_stats_ref(s).size()) {
+            SET_ERROR_CODE(Z3_IOB);
+            return Z3_FALSE;
+        }
+        return !to_stats_ref(s).is_uint(idx);
+        Z3_CATCH_RETURN(Z3_FALSE);
+    }
+    
+    unsigned Z3_API Z3_stats_get_uint_value(Z3_context c, Z3_stats s, unsigned idx) {
+        Z3_TRY;
+        LOG_Z3_stats_get_uint_value(c, s, idx);
+        RESET_ERROR_CODE();
+        if (idx >= to_stats_ref(s).size()) {
+            SET_ERROR_CODE(Z3_IOB);
+            return 0;
+        }
+        if (!to_stats_ref(s).is_uint(idx)) {
+            SET_ERROR_CODE(Z3_INVALID_ARG);
+            return 0;
+        }
+        return to_stats_ref(s).get_uint_value(idx);
+        Z3_CATCH_RETURN(0);
+    }
+
+    double Z3_API Z3_stats_get_double_value(Z3_context c, Z3_stats s, unsigned idx) {
+        Z3_TRY;
+        LOG_Z3_stats_get_double_value(c, s, idx);
+        RESET_ERROR_CODE();
+        if (idx >= to_stats_ref(s).size()) {
+            SET_ERROR_CODE(Z3_IOB);
+            return 0.0;
+        }
+        if (to_stats_ref(s).is_uint(idx)) {
+            SET_ERROR_CODE(Z3_INVALID_ARG);
+            return 0.0;
+        }
+        return to_stats_ref(s).get_double_value(idx);
+        Z3_CATCH_RETURN(0.0);
+    }
+
+};